Re: [libvirt] F17's libvirt takes comments into LIBVIRTD_ARGS

On Wed, May 16, 2012 at 11:05:16PM +0800, Shu Ming wrote: > On 2012-5-16 18:46, Dan Kenigsberg wrote: > >On Tue, May 15, 2012 at 04:16:11PM +0800, Shu Ming wrote: > >>On 2012-5-14 7:30, Dan Kenigsberg wrote: > >>>On Sun, May 13, 2012 at 11:51:48PM +0800, Shu Ming wrote: > >>>>Hi, > >>>> Recently, I found that my host in engine was always in a > >>>>"unassigned state" after the host node was installed. After looking > >>>>into the vdsm.log, it seemed that vdsm failed to call libvirt as an > >>>>error, "libvirtError: Cannot write data: Broken pipe". When I > >>>>started virsh in the host node at that time, a warning was given > >>>>"WARNING: no socket to connect to" and core dumped with "virsh > >>>>net-list". It looks like that no right socket was created for > >>>>virsh to connect to libvirtd. Any comments about this problem? The > >>>>followings are my steps in the node: > >>>> > >>>>[root@ovirt-node1 ~]# rpm -qa |grep vdsm > >>>>vdsm-cli-4.9.6-0.183.git107644d.fc16.shuming1336622293.noarch > >>>>vdsm-python-4.9.6-0.183.git107644d.fc16.shuming1336622293.noarch > >>>>vdsm-hook-vhostmd-4.9.6-0.183.git107644d.fc16.shuming1336622293.noarch > >>>>vdsm-4.9.6-0.183.git107644d.fc16.shuming1336622293.x86_64 > >>>>vdsm-reg-4.9.6-0.183.git107644d.fc16.shuming1336622293.noarch > >>>>vdsm-debug-plugin-4.9.6-0.183.git107644d.fc16.shuming1336622293.noarch > >>>>vdsm-hook-faqemu-4.9.6-0.183.git107644d.fc16.shuming1336622293.noarch > >>>>vdsm-bootstrap-4.9.6-0.183.git107644d.fc16.shuming1336622293.noarch > >>>>[root@ovirt-node1 ~]# > >>>>[root@ovirt-node1 ~]# ps -ef |grep libvirt > >>>> > >>>>libvirt-daemon-0.9.11-1.fc17.x86_64 > >>>>libvirt-daemon-config-nwfilter-0.9.11-1.fc17.x86_64 > >>>>libvirt-client-0.9.11-1.fc17.x86_64 > >>>>libvirt-daemon-config-network-0.9.11-1.fc17.x86_64 > >>>>libvirt-python-0.9.11-1.fc17.x86_64 > >>>> > >>>>[root@ovirt-node1 ~]# virsh net-list > >>>>WARNING: no socket to connect to > >>>>Segmentation fault > >>>I think that merits a libvirt bug. please attach strace output to > >>>bugzilla. > >>> > >>>>[root@ovirt-node1 ~]# > >>>> > >>>> > >>>>[root@ovirt-node1 ~]# ps -ef |grep vdsm > >>>>root 1299 1 0 23:10 ? 00:00:00 /usr/sbin/libvirtd > >>>>--listen # by vdsm > >>>The command line of libvirt process is very odd - the comment that vdsm > >>>puts into /etc/sysconfig/libvirtd is somehow taken verbatim. That's bad, > >>>and may be related to Fedora 17's systemd services. Try to remove the > >>>comment and restart libvirtd to see if this is the case. > >>The comment come from > >> > >>[root@ovirt-node1 ~]# cat /etc/sysconfig/libvirtd: > >I know that (see my text above). However, in F16 and before, comments have been stripped > >before being passed to commandline. Have you tested if all is well when > >the commment is removed? > > I removed the "# by vdsm " line from the config file. And > restarted the libvirtd and vdsmd service. > But no luck to make "virsh net-list" successful, still got > "Segmentation fault", while "virsh -c qemu:///system -r" worked. Thanks. Please strace that segfault, there's a libvirt bug lying there. And thanks again for finding the vdsm/libvirt configuration problem in F17.